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APES (LAST TEST)
Terms in this set (34)
the ability to do work and move matter
ecosystem energy flow
the movement of energy through an ecosystem from the external environment through a series of organisms and back to the external environment
the law of conservation of energy
the physical or chemical change, energy is neither created nor destroyed
first law of thermodynamics
the amount of energy that is conserved
second law of thermodynamics
this law addresses how energy can change in its form
true or false- as energy flows through the food web it becomes less usable
the ratio of output to input and is usually further defined as the amount of useful work obtained from some amount of energy availible
trophic level efficiency
the ratio of production of one trophic level to the production of the next lower trophic level
exerting energy by pushing or pulling and the strength of force can be measured by how much an object accelerates
the science that keeps track of energy as it undergoes various transformations from one type to another. the first law is used to track the quantity of energy
contained and stored energy
energy of motion
energy from random motion of atoms and molecules
true or false- the higher the quality of energy something can be, the more easily can be converted to work
first law of efficiency
amount of energy without any consideration of the quality or availability of the energy
second law of efficiency
refers to how well matched the energy end use is with the quality of the energy source
What do heat engines use?
nuclear fuel, coal, gas, and other fuels
What problems can heat engines create?
thermal pollution, urban smog, acid rain, and global warming
What are the main sources of energy in the US?
petroleum, natural gas, and coal (mainly non-renewable resources)
resources that may replace fossil fuels in the future
conservation of energy
refers to getting by with less demand for energy. this means we have to adjust our needs and energy uses to minimize the amount we use.
increased energy efficiency
include several processes that yield more energy output from a given amount of input of energy
includes a number of designed to capture and use waste heat instead of releasing into the atmosphere
what three concepts are all connected with one another for energy?
conservation, energy efficiency. and cogeneration
what is an example of cogeneration?
natural gas combined cycle power plant
what is the best way to conserve energy in building structures?
insulation, caulking, weather-stripping, insulation of windows, and regular maintmance
What are some provisions of the Energy Policy Act of 2005?
-promotes conventional energy sources
-promotes nuclear power
-encourages alternative energy sources
-promotes conservative measures
-promotes energy infrastructure
Energy conversation is considered to be a BLANK path
hard path, meaning that greater amounts of fossil fuels and building larger power plants
emphasizes that energy quality is renewable, flexible, and environmentally more friendly than those on the hard path
integrated energy management
the idea that no single energy source can provide all the energy required by various countries of the world
sustainable energy development
the idea that more reliable sources of energy would be provided, it would not cause destruction or serious harm to our global, region, or local environments and it will help ensure the future generations inherit quality environment with a share of the Earth's resources
forms of solar energy. Plants are examples of solar energy collectors because they convert solar energy to chemical energy through photosynthesis.
something that helps to trap heat
when steam, water, chemicals, are injected into the oil reservoir to push the oil towards the wells
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